@echo off
setlocal

rem GUI launcher: double-click this file in Windows Explorer.
set "MODULE_ROOT=%~dp0."
set "PACKED_EXE=%MODULE_ROOT%\dist\Catalogizer.exe"
set "LOCAL_PYTHON=%MODULE_ROOT%\.venv\Scripts\python.exe"
set "LOCAL_PYTHONW=%MODULE_ROOT%\.venv\Scripts\pythonw.exe"

rem A packed build needs neither Python nor PySide6, so it wins when present.
if exist "%PACKED_EXE%" (
    if /i "%~1"=="--check" (
        "%PACKED_EXE%" --check
        if errorlevel 1 (
            echo Catalogizer.exe is broken. Rebuild it with BUILD_EXE.bat.
            pause
            exit /b 1
        )
        echo Catalogizer: packed build is ready.
        exit /b 0
    )
    start "Catalogizer" /D "%MODULE_ROOT%" "%PACKED_EXE%" %*
    exit /b 0
)

if exist "%LOCAL_PYTHON%" (
    set "CHECK_PYTHON=%LOCAL_PYTHON%"
    set "GUI_PYTHON=%LOCAL_PYTHONW%"
) else (
    set "CHECK_PYTHON=python"
    where pythonw >nul 2>&1
    if errorlevel 1 (
        set "GUI_PYTHON=python"
    ) else (
        set "GUI_PYTHON=pythonw"
    )
)

"%CHECK_PYTHON%" -c "import PySide6, pymupdf" >nul 2>&1
if errorlevel 1 (
    echo Python with PySide6 and pymupdf is not available.
    echo.
    echo Either build a standalone Catalogizer.exe with BUILD_EXE.bat,
    echo or install the dependencies:
    echo   python -m pip install -r "%MODULE_ROOT%\requirements.txt"
    echo.
    pause
    exit /b 1
)

if /i "%~1"=="--check" (
    "%CHECK_PYTHON%" "%MODULE_ROOT%\catalog_gui.py" --check
    exit /b %errorlevel%
)

rem pythonw starts the desktop application without an extra console window.
start "Catalogizer" /D "%MODULE_ROOT%" "%GUI_PYTHON%" "%MODULE_ROOT%\catalog_gui.py" %*